Turn off -Wdeprecated-non-prototype

Test: presubmit
Change-Id: Idee5fa022c6b9332ac637a163a4b1e4666b57c85
diff --git a/Android.bp b/Android.bp
index 4feada6..f779e8b 100644
--- a/Android.bp
+++ b/Android.bp
@@ -22,6 +22,7 @@
         "-DLOCALEDIR=NULL",
 
         "-Wno-dangling-else",
+        "-Wno-deprecated-non-prototype",
         "-Wno-format",
         "-Wno-incompatible-pointer-types",
         "-Wno-string-compare",